return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for ClOOCl (Dichlorine dioxide)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-1058.603998
Energy at 298.15K-1058.605130
HF Energy-1058.603998
Nuclear repulsion energy197.792807
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 1152 1028 10.54      
2 A 708 631 18.12      
3 A 353 315 1.40      
4 A 123 109 0.34      
5 B 728 649 75.72      
6 B 450 402 15.26      

Unscaled Zero Point Vibrational Energy (zpe) 1756.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 1567.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/STO-3G
ABC
0.39710 0.06992 0.06227

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.348 0.594 0.871
O2 -0.348 -0.594 0.871
Cl3 -0.348 1.763 -0.410
Cl4 0.348 -1.763 -0.410

Atom - Atom Distances (Å)
  O1 O2 Cl3 Cl4
O11.37671.86922.6830
O21.37672.68301.8692
Cl31.86922.68303.5948
Cl42.68301.86923.5948

picture of Dichlorine dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 Cl4 110.578 O2 O1 Cl3 110.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.059      
2 O 0.059      
3 Cl -0.059      
4 Cl -0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.955 0.955
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.319 0.153 0.000
y 0.153 -34.353 0.000
z 0.000 0.000 -31.354
Traceless
 xyz
x 0.535 0.153 0.000
y 0.153 -2.517 0.000
z 0.000 0.000 1.982
Polar
3z2-r23.964
x2-y22.034
xy0.153
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.817 -1.103 0.000
y -1.103 6.179 0.000
z 0.000 0.000 2.032


<r2> (average value of r2) Å2
<r2> 155.696
(<r2>)1/2 12.478